COOLED FLYWHEEL APPARATUS

摘要

A flywheel is provided with an annular drive shaft and a stationary cooling member for directing a coolant into the drive shaft annulus. Coolant pumped through the cooling member will contact the wall of the annulus to cool the drive shaft and components thermally coupled to the drive shaft. Where the flywheel has an upright axis of rotation with the annulus opening downwardly, coolant falls from the annulus to a sump positioned below the drive shaft.